1. The elementary stages of any subject (usually plural).
5. Extinct small freshwater jawless fish usually having a heterocercal tail and an armored head.
12. The portion of the vertebrate nervous system consisting of the brain and spinal cord.
15. (Greek mythology) Goddess of the earth and mother of Cronus and the Titans in ancient mythology.
16. The body of faculty and students of a college.
17. (informal) Informed about the latest trends.
18. A pilgrim who journeys to Mecca.
19. Especially a leaf of grass or the broad portion of a leaf as distinct from the petiole.
21. The largest continent with 60% of the earth's population.
24. A city in western Lithuania on the Baltic Sea.
25. South African plant widely cultivated for its showy pure white spathe and yellow spadix.
27. Informal terms for a mother.
30. A mountain peak in the southern Sinai Peninsula (7,500 feet high).
34. A federal agency established to coordinate programs aimed at reducing pollution and protecting the environment.
36. Someone who works (or provides workers) during a strike.
37. A woman hired to suckle a child of someone else.
39. Having close kinship and appropriateness.
44. A large fleet.
45. An extinct Semitic language of northern Syria.
46. King of Sparta and hero of the battle of Thermopylae where is was killed by the Persians (died in 480 BC).
49. A white soft metallic element that tarnishes readily.
50. Electronic warfare undertaken under direct control of an operational commander to locate sources of radiated electromagnetic energy for the purpose of immediate threat recognition.
51. Usually paved outdoor area adjoining a residence.
52. A summary that repeats the substance of a longer discussion.
56. A small cake leavened with yeast.
58. A desert in southwestern Africa - largely Botswana.
62. An attendant who carries the golf clubs for a player.
66. A loose sleeveless outer garment made from aba cloth.
67. A plumbing fixture (usually attached to the wall) used by men to urinate.
70. A doctor's degree in musical arts.
71. A solution containing a phosphate buffer.
72. A spot that is open late at night and that provides entertainment (as singers or dancers) as well as dancing and food and drink.
74. Lacking sufficient water or rainfall.
75. Made warm or hot.
76. A city in northeastern Ukraine.
77. An independent agency of the United States government responsible for aviation and spaceflight.

DOWN

1. Title for a civil or military leader (especially in Turkey).
2. South African term for `boss'.
3. The basic unit of money in Ghana.
4. A mountain peak in the Andes in Bolivia (21,391 feet high).
5. A radioactive element of the actinide series.
6. The state of being of noble birth.
7. Of or relating to alleles.
8. Winning all or all but one of the tricks in bridge.
9. A tricycle (usually propelled by pedalling).
10. One of the five major classes of immunoglobulins.
11. A Mid-Atlantic state.
12. Green algae common in freshwater lakes of limestone districts.
13. (Babylonian) God of wisdom and agriculture and patron of scribes and schools.
14. The complete duration of something.
20. Italian physiologist noted for his discovery that frogs' muscles contracted in an electric field (which led to the galvanic cell) (1737-1798).
22. The square of a body of any size of type.
23. A silvery ductile metallic element found primarily in bauxite.
26. The branch of computer science that deal with writing computer programs that can solve problems creatively.
28. South American cavy.
29. Stocky coarse-furred burrowing rodent with a short bushy tail found throughout the northern hemisphere.
31. (Babylonian) God of wisdom and agriculture and patron of scribes and schools.
32. Sexual pleasure obtained by inflicting harm (physical or psychological) on others.
33. Grayish baboon of southern and eastern Africa.
35. (combining form) Indicating radiation or radioactivity.
38. Mated sexually.
40. A strong paper or thin cardboard with a smooth light brown finish made from e.g. Manila hemp.
41. A coenzyme derived from the B vitamin nicotinic acid.
42. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
43. A constellation in the southern hemisphere near Telescopium and Norma.
47. Brazilian tree with handsomely marked wood.
48. Any meeting for an exchange of ideas.
53. The blood group whose red cells carry both the A and B antigens.
54. An insane person.
55. (Old Testament) The wife of Abraham and mother of Isaac.
57. The cry made by sheep.
59. A French abbot.
60. Immediately past.
61. Toweling consisting of coarse absorbent cotton or linen fabric.
63. The outermost (and toughest) of the 3 meninges.
64. Goddess of fertility.
65. Tropical starchy tuberous root.
68. (Judaism) Sacred chest where the ancient Hebrews kept the two tablets containing the Ten Commandments.
69. Flower arrangement consisting of a circular band of foliage or flowers for ornamental purposes.
73. Broadcasting visual images of stationary or moving objects.

Feel free to print out this crossword puzzle for your personal use. You may also link to it. However, this web page and puzzle are copyrighted and may not be distributed without prior written consent.